289707957

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3907}}^1$

素因数の和:4038

約数の個数: 48

約数和(自身を含む): 526735872

約数和(自身を除く): 237027915

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 231, 321, 693, 749, 963, 1177, 2247, 3531, 3907, 6741, 8239, 10593, 11721, 24717, 27349, 35163, 42977, 74151, 82047, 128931, 246141, 300839, 386793, 418049, 902517, 1254147, 2707551, 2926343, 3762441, 4598539, 8779029, 13795617, 26337087, 32189773, 41386851, 96569319, 289707957]

約数ペア:

[(1, 289707957), (3, 96569319), (7, 41386851), (9, 32189773), (11, 26337087), (21, 13795617), (33, 8779029), (63, 4598539), (77, 3762441), (99, 2926343), (107, 2707551), (231, 1254147), (321, 902517), (693, 418049), (749, 386793), (963, 300839), (1177, 246141), (2247, 128931), (3531, 82047), (3907, 74151), (6741, 42977), (8239, 35163), (10593, 27349), (11721, 24717)]